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authorJohannes Berg <johannes@sipsolutions.net>2008-10-11 01:46:25 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-10-31 19:00:14 -0400
commit525181891fb5ed323b6ba0f141c422f1395acfb9 (patch)
tree003062baca032810047574bf545802ef8f8c5143 /drivers
parentd51626df5747efaa8d2c00678f64cb503845effe (diff)
iwl3945: fix station stuff in RC algorithm
Probably bugs I added. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index bb91353c443..c25daec4f93 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -826,13 +826,12 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
rcu_read_lock();
sta = ieee80211_find_sta(hw, priv->stations[sta_id].sta.sta.addr);
- psta = (void *) sta->drv_priv;
- if (!sta || !psta) {
- IWL_DEBUG_RATE("leave - no private rate data!\n");
+ if (!sta) {
rcu_read_unlock();
return;
}
+ psta = (void *) sta->drv_priv;
rs_sta = psta->rs_sta;
spin_lock_irqsave(&rs_sta->lock, flags);
@@ -856,7 +855,6 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
break;
}
- rcu_read_unlock();
spin_unlock_irqrestore(&rs_sta->lock, flags);
rssi = priv->last_rx_rssi;
@@ -870,6 +868,7 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
IWL_DEBUG_RATE("leave: rssi %d assign rate index: "
"%d (plcp 0x%x)\n", rssi, rs_sta->start_rate,
iwl3945_rates[rs_sta->start_rate].plcp);
+ rcu_read_unlock();
}
int iwl3945_rate_control_register(void)